無(wú)錫Q345E低溫用無(wú)縫鋼管
點(diǎn)擊數(shù):657 錄入時(shí)間:2024/4/10
C:≤0.18 Si:0.20-0.60 Mn:1.00-1.60 P:≤0.030 S:≤0.030 Ni:≤0.30 Cr≤0.30 Cu:≤0.20 Al:≥0.015 V:0.02-0.15 Nb:0.015-0.06
Q345B無(wú)縫管化學(xué)成分:
C:0.12-0.20 Si:0.20-0.60 Mn:1.00-1.60 P:≤0.040 S:≤0.040 Ni:≤0.30 Cr:≤0.30 Cu:≤0.20 V:0.02-0.15 Nb:0.015-0.06
Q345A無(wú)縫管化學(xué)成分:
C:0.12-0.20 Si:0.20-0.60 Mn:1.00-1.60 P:≤0.045 S:≤0.045 Ni:≤0.30 Cr:≤0.30 Cu:≤0.20 V:0.02-0.15 Nb:0.015-0.06
Q345C無(wú)縫管化學(xué)成分:
C:0.12-0.20 Si:0.20-0.60 Mn:1.00-1.60 P:≤0.035 S:≤0.035 Ni:≤0.30 Cr:≤0.30 Cu:≤0.20 Al:≥0.015 V:0.02-0.15 Nb:0.015-0.06
Q345E無(wú)縫管化學(xué)成分:
C:≤0.18 Si:0.20-0.60 Mn:1.00-1.60 P:≤0.025 S:≤0.025 Ni:≤0.30 Cr≤0.30 Cu:≤0.20 Al:≥0.015 V:0.02-0.15 Nb:0.015-0.06
Q345D無(wú)縫鋼管力學(xué)性能:
抗拉強(qiáng)度:490-675 屈服強(qiáng)度:≥345 伸長(zhǎng)率:≥22
Q345B無(wú)縫管力學(xué)性能:
抗拉強(qiáng)度:490-675 屈服強(qiáng)度:≥345 伸長(zhǎng)率:≥21
Q345A無(wú)縫管力學(xué)性能:
抗拉強(qiáng)度:490-675 屈服強(qiáng)度:≥345 伸長(zhǎng)率:≥21
Q345C無(wú)縫管力學(xué)性能:
抗拉強(qiáng)度:490-675 屈服強(qiáng)度:≥345 伸長(zhǎng)率:≥22
Q345E無(wú)縫管力學(xué)性能:
抗拉強(qiáng)度:490-675 屈服強(qiáng)度:≥345 伸長(zhǎng)率:≥22